106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2012 Colin Walters <walters@verbum.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Colin Walters <walters@verbum.org>
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*/
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#include "config.h"
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#include <sys/wait.h>
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#include "ostree.h"
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#include "otutil.h"
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static const char * const sysroot_environ[] = {
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"HOME=/",
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"PWD=/",
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"HOSTNAME=ostreesysroot",
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"LANG=C",
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"PATH=/usr/bin:/bin:/usr/sbin:/sbin",
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"SHELL=/bin/bash",
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"TERM=vt100",
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"TMPDIR=/tmp",
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"TZ=EST5EDT",
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NULL
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};
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const char *const*
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ostree_get_sysroot_environ (void)
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{
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return (const char *const*)sysroot_environ;
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}
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/**
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* @root: (allow-none): Change to this root; if %NULL, don't chroot
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*
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* Triggers are a set of programs to run on a root to regenerate cache
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* files. This API call will simply run them against the given root.
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*/
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gboolean
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ostree_run_triggers_in_root (GFile *root,
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GCancellable *cancellable,
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GError **error)
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{
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gboolean ret = FALSE;
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int estatus;
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ot_lfree char *rel_triggerdir = NULL;
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ot_lobj GFile *triggerdir = NULL;
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ot_lptrarray GPtrArray *argv = NULL;
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rel_triggerdir = g_build_filename ("usr", "libexec", "ostree", "triggers.d", NULL);
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if (root)
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triggerdir = g_file_resolve_relative_path (root, rel_triggerdir);
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else
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triggerdir = g_file_new_for_path (rel_triggerdir);
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if (g_file_query_exists (triggerdir, cancellable))
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{
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argv = g_ptr_array_new ();
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if (root)
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{
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g_ptr_array_add (argv, "linux-user-chroot");
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g_ptr_array_add (argv, "--unshare-pid");
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g_ptr_array_add (argv, "--unshare-ipc");
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/* FIXME - unshare net too */
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g_ptr_array_add (argv, "--mount-proc");
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g_ptr_array_add (argv, "/proc");
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g_ptr_array_add (argv, "--mount-bind");
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g_ptr_array_add (argv, "/dev");
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g_ptr_array_add (argv, "/dev");
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g_ptr_array_add (argv, (char*)ot_gfile_get_path_cached (root));
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}
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g_ptr_array_add (argv, "ostree-run-triggers");
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g_ptr_array_add (argv, NULL);
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if (!g_spawn_sync (NULL, (char**)argv->pdata,
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(char**) ostree_get_sysroot_environ (),
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G_SPAWN_SEARCH_PATH,
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NULL, NULL, NULL, NULL, &estatus, error))
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goto out;
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if (!g_spawn_check_exit_status (estatus, error))
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goto out;
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}
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ret = TRUE;
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out:
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return ret;
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}
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